About:
This faculty member is associated with the Penn State Intercollege Graduate Degree Program (IGDP) in Materials Science and Engineering (MatSE) where a multitude of perspectives and cross-disciplinary collaboration within research is highly valued. Graduate students in the IGDP in MatSE may work with faculty members from across Penn State.
Recent Activities:
- President, ASM International, 2021-2022
- Board of Trustees, ASM International, 2017-2023
- President, SES (Society of Engineering Science), 2010
- Vice President for Manufacturing, ASME (American Society of Mechanical Engineers), 2002-2005
Research Projects:
- Revolutionizing Engineering Education through Immersive Experiences;
- Application of ultrasound for microstructural control during
- Laser-materials interactions and additive manufacturing.
- Hypersonic materials
- Laser-materials interactions
Publications:
- Kim, J.N., Liu, T., Jackson, T. N., Choi, K., Trolier-McKinstry, S. Tutwiler, R.L., and Todd, J.A., “10 MHz Thin-Film PZT-Based Flexible PMUT Array: Finite Element Design and Characterization,” Sensors, 2020, 20(15), 4335. https://doi.org/10.3390/s20154335
- A. M. Kamat, S. M. Copley, A. E. Segall, and J. A. Todd, “Laser-Sustained Plasma (LSP) Nitriding of Titanium: A Review”, Coatings: Special Issue on Laser Surface Engineering, 2019, 9(5), 283; https://doi.org/10.3390/coatings9050283 (Editor’s Choice paper)
- J. A. Todd and S. M. Copley, "Development of a Prototype Laser Processing System for Shaping Advanced Ceramic Materials," ASME Journal of Manufacturing Science and Engineering, Vol 119, February, 1997, pp. 55-67
- Vanadium Award papers:
- J. A. Todd, P. Li and S. M. Copley "A New Model for Precipitation at Moving Interphase Boundaries," Metallurgical Transactions, 1988, 19A, pp. 2133-2138; P. Li and J. A. Todd
- "Application of a New Model to the Interphase Precipitation Reaction in Vanadium Steels," Metallurgical Transactions, 1988, 19A, pp. 2139-2151
- J. A. Todd and P. Li, "Microstructure Mechanical Property Relationships in Isothermally Transformed Vanadium Steels." Metallurgical Transactions, 1986, 17A, 7, pp. 1191-1202
- Patents
- W. A. Ellingson, J. A. Todd and J. Sun: “Optical Method and Apparatus for Detection of Defects and Microstructural Changes in Ceramics and Ceramic Coatings,” U.S. Patent 6,285,449, September 4, 2001
- S. M. Copley, Hongyi Tao and J. A. Todd, "Post Treatment to Improve the Strength of Laser Shaped Silicon Compound Ceramics", U.S. Patent 5,022,957, June 11, 1991
Awards:
- SES (Society of Engineering Science) Fellow; October 2023
- ASME Honorary Membership; June 2023
- Presidential Award for Excellence in Science, Mathematics and Engineering Mentoring (PAESMEM), presented by George W. Bush at the White House, 2007
- Fellow ASME, 2001
- Fellow ASM International, 1997
- Fellow AWIS (Association for Women in Science) 1996
- Vanadium Award, Institute of Materials, Minerals and Mining, United Kingdom, 1990